Home / 11,888.12-17,826.66-5,314.34

Finding the Fourth Proportional to 11,888.12, 17,826.66 and 5,314.34

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Solution

The fourth proportional to 11,888.12, 17,826.66 and 5,314.34 is: 7,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.12 : 17,826.66 = 5,314.34 : x
  2. Step 2: Convert to fraction form
    11,888.12/17,826.66 = 5,314.34/x
  3. Step 3: Cross multiply
    11,888.12x = 17,826.66 × 5,314.34
  4. Step 4: Simplify right side
    11,888.12x = 94,736,932.30
  5. Step 5: Solve for x
    x = 94,736,932.30/11,888.12
  6. Step 6: Final answer
    x = 7,969.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.